o-Dianisidine Dihydrochloride Equivalent (3,3'-Dichlorobenzidine 2HCl) from Canada
High-purity 3,3'-Dichlorobenzidine dihydrochloride used as o-dianisidine equivalent in pigment manufacturing, classified specifically under HTS 2921.59.80.10. Meets Chapter 29 requirements for chemically defined aromatic polyamine salts.
Duty Rate — Canada → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Reference CAS No. 612-83-9 in commercial invoice and provide synonym cross-reference documentation
• Segregate from finished pigments during import to avoid Chapter 32 reclassification
• Include Material Safety Data Sheet (MSDS) detailing handling as suspected carcinogen